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Finding the Third Proportional to 8,531,780 and 11,999,334

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Solution

The third proportional to 8,531,780 and 11,999,334 is: 16,876,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531,780 : 11,999,334 = 11,999,334 : x
  2. Step 2: Convert to fraction form
    8,531,780/11,999,334 = 11,999,334/x
  3. Step 3: Cross multiply
    8,531,780x = 11,999,334 × 11,999,334
  4. Step 4: Simplify right side
    8,531,780x = 143,984,016,443,556
  5. Step 5: Solve for x
    x = 143,984,016,443,556/8,531,780
  6. Step 6: Final answer
    x = 16,876,198.92

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.